ThemeAtelier Better Chat Support for Messenger Plugin up to 1.2.18 on WordPress authorization

Summaryinfo

A vulnerability was found in ThemeAtelier Better Chat Support for Messenger Plugin up to 1.2.18 on WordPress. It has been rated as critical. Affected by this issue is some unknown functionality. This manipulation causes authorization. This vulnerability is registered as CVE-2025-66113. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in ThemeAtelier Better Chat Support for Messenger Plugin up to 1.2.18 on WordPress. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Missing Authorization vulnerability in ThemeAtelier Better Chat Support for Messenger better-chat-support allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Better Chat Support for Messenger: from n/a through <= 1.2.18.

The weakness was published by Legion Hunter. It is possible to read the advisory at vdp.patchstack.com. This vulnerability is known as CVE-2025-66113 since 11/21/2025. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/21/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Messaging Software

Vendor

• ThemeAtelier

Name

• Better Chat Support for Messenger Plugin

Version

• 1.2.0
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4
• 1.2.5
• 1.2.6
• 1.2.7
• 1.2.8
• 1.2.9
• 1.2.10
• 1.2.11
• 1.2.12
• 1.2.13
• 1.2.14
• 1.2.15
• 1.2.16
• 1.2.17
• 1.2.18

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Entryinfo

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